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Needle angle showdown: which belly block works best?

NCT ID NCT07068243

Knowledge-focused Sponsor: Duke University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests two different ultrasound-guided injection methods for numbing the abdominal wall in 25 healthy adults. One method uses a sideways (transverse) needle approach, the other a lengthwise (longitudinal) approach. Researchers will measure how much skin area becomes numb to see which technique spreads the numbing medicine better. The goal is to improve pain control after abdominal surgery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
lidocaine with epinephrine
What this could lead to
If one method proves better, it could improve pain control after abdominal surgery, reducing the need for opioids.
What could go wrong
This is a small, early-phase study in healthy volunteers, not patients. Results may not translate to real surgical pain or account for individual differences.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 25 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Apr 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria: 1. Ability to provide written informed consent 2. Ability and willingness to comply with the study procedures and duration requirements 3. ASA physical status 1 or 2 4. Age ≥ 18 years 5. Weight \> 60kg Exclusion criteria: 1. BMI \> 40kg.m-2 2. Use of analgesics within 24 hours before the procedure 3. History of abdominal trauma or surgery 4. Abdominal deformities or abnormalities that may prevent proper block performance 5. Abdominal tattoos in the supraumbilical area 6. Systemic neuromuscular disease 7. Contraindications to regional anesthesia (e.g., infection, allergy) 8. Structures are unable to be visualized by ultrasound 9. Pregnancy 10. Other known health conditions that would affect the participant's ability to successfully complete the study

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Conditions

The condition(s) this trial relates to.

Acute Pain Pain, Postoperative

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Acute pain Postoperative pain, acute

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.